Train screening method and device

Abstract

The present invention provides a train screening method and device. The method comprises: obtaining train information of non-CBTC trains and axle counting status information for all axle counting sections along the entire line; determining whether the train position is reliable based on the maximum safe operating range of the non-CBTC train; determining whether the number of trains actually on the line is reliable based on the number of trains on the entire line stored in the TMC; and determining whether the sequencing information is reliable based on the train position information and axle counting status information. If the train position, the number of trains actually on the line, and the train sequencing information are reliable, a non-CBTC train screening result is obtained. The method of the present invention enables rapid screening of trains along the entire line, optimizes the screening method for trains after downgrade, and improves train operation efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of rail transit signal safety control, and in particular to a train screening method and device. Background Art

[0002] Before a train is upgraded to the CBTC (Communication Based Train Control) mode, non-CBTC trains hidden in front and behind the train are screened out to ensure the safe operation of the train in the CBTC mode.

[0003] Existing technology usually uses the position report sent by the train and the axle occupancy status sent by CI (Computer Based Interlocking) to screen trains. However, when the train is downgraded to a non-CBTC train, the communication between the train and the ZC (Zone Controller) is interrupted. At this time, the train cannot actively send position reports, resulting in the inability to perform train screening normally. In addition, it takes a long time for the train to be upgraded to CBTC mode again. When the axle counting section in the interval is long, the train operation efficiency will be reduced. Summary of the Invention

[0004] The present invention provides a train screening method and device to solve the defects in the prior art that normal train screening cannot be performed after train downgrading, and it takes a long time to re-upgrade the train to the CBTC mode, resulting in reduced train operation, thereby improving the train operation efficiency.

[0005] The present invention provides a train screening method, which is applied to a train management center (TMC), comprising:

[0006] Obtain train information for non-CBTC trains and axle counting status information for all axle counting sections along the entire line. The train information includes the number of actual trains on the line, train locations, and train sequencing information recorded by the TMC.

[0007] Determine whether the train position is credible based on the maximum safe operating range of non-CBTC trains; determine whether the actual number of trains on the line is credible based on the number of trains on the entire line stored in the TMC; determine whether the sequencing information is credible based on the train position and the axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the trains on the entire line include CBTC trains and non-CBTC trains on the train operation line;

[0008] Under the condition that the train position is credible, the number of actual trains on the line is credible, and the train sequencing information is credible, a non-CBTC train screening result is obtained.

[0009] According to a train screening method provided by the present invention, there is a train in a first axle counting section of the entire line, and the train is a non-CBTC train. Determining whether the sorting information is credible based on the train position and the axle counting status information includes:

[0010] When both the previous axle counting section and the next axle counting section of the first axle counting section are in an idle state, it is determined that the sorting information is credible.

[0011] According to a train screening method provided by the present invention, in a first axle counting section of the entire line, there are two trains in a front and a rear sequence, respectively, a front train and a rear train, and the rear train is a non-CBTC train. Determining whether the sequence information is credible based on the train positions and the axle counting status information further includes:

[0012] The previous axle counting section of the axle counting section occupied by the rear train is in an idle state. After the TMC receives the position report of the rear train, only the rear train exists in the first axle counting section, and the next axle counting section of the rear train is in an idle state. The axle counting section corresponding to the rear position of the rear train is in an idle state, and it is determined that the sorting information is credible.

[0013] According to a train screening method provided by the present invention, in a first axle counting section of the entire line, there are two non-CBTC trains in a front-to-back sequence, namely a front train and a rear train. Determining whether the sequence information is credible based on the train positions and the axle counting status information further includes:

[0014] The previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state, and after the TMC receives the position report of the preceding train, the next axle counting section of the first axle counting section is in an idle state, and it is determined that the sequencing information is credible; or

[0015] The previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state. When the TMC only receives the position report of the rear train, and the maximum safe operating range corresponding to the rear train overlaps with the maximum safe operating range corresponding to the front train, after the TMC receives the position report of the rear train, the order of the two non-CBTC trains before and after demotion remains consistent, and it is determined that the order information is credible.

[0016] According to a train screening method provided by the present invention, determining whether the train position is credible based on the maximum safe operating range of a non-CBTC train includes:

[0017] When the train position is within the maximum safe operating range, it is determined that the train position is credible.

[0018] According to a train screening method provided by the present invention, determining whether the actual number of trains on the line is credible based on the number information of trains on the entire line stored in the TMC includes:

[0019] When the actual number of trains on the line is not greater than the number of trains on the entire line stored in the TMC, it is determined that the number of trains is credible.

[0020] According to a train screening method provided by the present invention, after obtaining the non-CBTC train screening result, the method further includes:

[0021] The non-CBTC train screening result is sent to a regional control center ZC, and the ZC is used to calculate the movement authorization of the non-CBTC train according to the non-CBTC train screening result.

[0022] The present invention also provides a train screening device, comprising:

[0023] An acquisition module is used to obtain train information of non-CBTC trains and axle counting status information of all axle counting sections along the entire line. The train information includes the number of actual trains on the line, train positions, and train sequencing information recorded by the TMC;

[0024] a first processing module configured to determine whether the train position is credible based on the maximum safe operating range of non-CBTC trains; determine whether the number of trains is credible based on the number of trains on the entire line stored in the TMC; and determine whether the sequencing information is credible based on the train position and the axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC trains in the axle counting section, where the trains on the entire line include both CBTC trains and non-CBTC trains on the train operation line;

[0025] The second processing module is used to obtain a non-CBTC train screening result when the train position is credible, the number of actual trains on the line is credible, and the train sequencing information is credible.

[0026] The present invention also provides an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, any of the above-described train screening methods is implemented.

[0027] The present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which implements any of the above-described train screening methods when executed by a processor.

[0028] The present invention also provides a computer program product, comprising a computer program, wherein when the computer program is executed by a processor, the computer program implements any of the above train screening methods.

[0029] The train screening method and device provided by the present invention obtain the train information of non-CBTC trains and the axle counting status information of the axle counting sections of the entire line through TMC, and respectively verify the credibility of the train position information, train quantity information and train sequencing information. When the train position credibility, train quantity credibility and train sequencing information credibility are simultaneously met, the screening results of non-CBTC trains are obtained, thereby realizing rapid screening of trains on the entire line, optimizing the screening method of trains after downgrading, and improving train operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction is given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 1 is a flow chart of the train screening method provided by the present invention;

[0032] Figure 2 This is one of the structural diagrams of the train screening device provided by the present invention;

[0033] Figure 3 Schematic diagram of the interface of the method for determining the maximum safe operating range provided by the present invention;

[0034] Figure 4 This is one of the interface diagrams of the method for verifying the reliability of train sequencing information provided by the present invention;

[0035] Figure 5 This is the second interface diagram of the method for verifying the reliability of train sequencing information provided by the present invention;

[0036] Figure 6 This is the third interface diagram of the method for verifying the reliability of train sequencing information provided by the present invention;

[0037] Figure 7 Schematic diagram of the interface of the method for verifying the reliability of train position information provided by the present invention;

[0038] Figure 8 This is the second structural diagram of the train screening device provided by the present invention;

[0039] Figure 9 It is a schematic diagram of the physical structure of an electronic device provided by the present invention. DETAILED DESCRIPTION

[0040] To make the objectives, technical solutions, and advantages of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0041] The following combination Figure 1 - Figure X describes the train screening method and apparatus of the present invention.

[0042] Figure 1 FIG. 1 is a flow chart of the train screening method provided by the present invention, as shown in FIG. Figure 1 As shown, the train screening method, applied to the train management center TMC, includes the following steps:

[0043] Step 110: Obtain train information of non-CBTC trains and axle counting status information of all axle counting sections along the entire line. The train information includes the actual number of trains on the line, train positions, and train sequencing information recorded by the TMC.

[0044] It should be noted that non-CBTC trains refer to trains without movement authorization, including trains without position reports and trains with position reports but no movement authorization; CBTC trains refer to trains with movement authorization.

[0045] In this step, the axle counting section of the entire line refers to the axle counting section existing on the train running line, and a train running line includes multiple axle counting sections.

[0046] In this step, the axle counter section status information includes whether the axle counter is occupied or idle.

[0047] In this embodiment, since multiple trains are allowed to run simultaneously in one axle counting section when the trains are running in moving block mode, it is necessary to analyze trains with different numbers, positions and serial numbers in one axle counting section separately.

[0048] In this embodiment, in order to realize rapid screening of trains, a TMC (Train Management Center) can be set up in the existing CBTC system. The TMC has non-CBTC train management functions and train sequencing functions. Among them, the non-CBTC train management function means that after the train is changed from a communication vehicle to a non-communication vehicle, the TMC can still calculate the maximum safety envelope of the downgraded train based on the latest position report before downgrading and the occupancy status of the axle counting section, and track the operation of the downgraded train; the train sequencing function means that the TMC has the position information of the trains on the entire line and can sort the trains according to the operation status of the trains on the entire line.

[0049] Figure 2 This is one of the structural diagrams of the train screening device provided by the present invention. Figure 2 In the embodiment shown, on the basis of the existing CBTC system, only one set of TMC is set up on the entire line (the newly added part of the system is marked with a dotted line) to realize the rapid train screening function.

[0050] In this embodiment, the TMC periodically obtains train information for the entire line and axle counting section occupancy information. If the train is a CBTC train, the TMC obtains the train's position information based on the position reports sent by the CBTC train. If the train is a non-communication vehicle, the TMC calculates the train's possible operating range and updates the maximum safety envelope for the non-communication vehicle based on the axle counting occupancy status.

[0051] Step 120: Determine whether the train position is credible based on the maximum safe operating range of non-CBTC trains; determine whether the actual number of trains on the line is credible based on the number of trains on the entire line stored in the TMC; determine whether the sequencing information is credible based on the train sequencing information and axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of non-CBTC trains in the axle counting section, and the trains on the entire line include CBTC trains and non-CBTC trains on the train operation line.

[0052] In this step, the maximum safe operating range of the non-CBTC train can be determined based on the latest position report and axle counting status before downgrading. For example, before downgrading, the non-CBTC train is located in the axle counting section C on the train running line. The axle counting section C is in an occupied state at this time, and the two adjacent axle counting sections before and after the axle counting section C are both in an idle state. The maximum safe operating range of the non-CBTC train is the entire axle counting section C; before downgrading, the non-CBTC train is located in the axle counting sections B and C on the train running line. When the axle counting section before B is in an idle state and the axle counting section after C is in an idle state, the maximum safe operating range of the non-CBTC train includes the entire axle counting section C and the entire axle counting section B.

[0053] In this step, the sequence is reliable, which means that the sequence of the adjacent trains before and after the train is downgraded and after the downgraded train regains its position does not change.

[0054] Figure 3 This is a schematic diagram of the interface of the method for determining the maximum safe operating range provided by the present invention. Figure 3In the embodiment shown, according to the position report before the train downgrade, the non-CBTC train T1 is located between the axle counting section W1 and the axle counting section W2. At this time, the axle counting sections W1 and W2 are both occupied. Since the axle counting section W3 is in an idle state, T1 is downgraded to the maximum safe operating range (corresponding to the safety envelope) of a non-communication vehicle, covering the entire W1 and W2 axle counting sections; according to the position report before the train downgrade, when the non-CBTC train T1 is located in the axle counting section W3, at this time, the axle counting section W3 is both occupied. Since the axle counting sections W2 and W4 are both in an idle state, T1 is downgraded to the maximum safe operating range of a non-communication vehicle, covering the entire W3.

[0055] In this embodiment, the position of the non-CBTC train can be compared with the maximum safe operating range corresponding to the non-CBTC train to determine whether the position of the non-CBTC train is credible. For example, when the position of the non-CBTC train is not within the maximum safe operating range, the position of the non-CBTC train can be considered unreliable and the ZC cannot calculate a movement authorization for it.

[0056] In this embodiment, TMC can verify whether the number of trains put into operation on the entire line has changed based on the received train position report. If the number of trains that TMC can obtain based on the received train position report exceeds the number of trains actually operating on the train line, the train number information is unreliable and ZC will not provide the service of calculating movement authorization for non-CBTC trains.

[0057] In this embodiment, since multiple trains are allowed to run simultaneously in an axle counting section, after the TMC receives the latest position report of the non-CBTC train before downgrading, it can check whether the train sequence of the train that has been neutral has changed. If the sequence has changed, the train sequence check fails, that is, the sequence information is unreliable.

[0058] Step 130: Under the condition that the train position, the number of actual trains on the line and the train sequence information are reliable, a non-CBTC train screening result is obtained.

[0059] In this step, the rapid screening of trains is completed only when the train position, train number and train sequence information of non-CBTC trains are all met simultaneously.

[0060] In this step, the non-CBTC train screening result is used to indicate the credibility of the non-CBTC train.

[0061] In this embodiment, after obtaining the screening results, the ZC can calculate the movement authorization for the non-CBTC train based on the screening results to complete the rapid upgrade process of the non-CBTC train, thereby ensuring that the train runs at a safe interval.

[0062] The train screening method of the embodiment of the present invention obtains the train information of non-CBTC trains and the axle counting status information of the axle counting sections of the entire line through TMC, and performs credibility verification on the train position information, train quantity information and train sequencing information respectively. When the train position information is credible, the train quantity information is credible and the train sequencing information is credible, the screening results of non-CBTC trains are obtained, thereby realizing rapid screening of trains on the entire line, optimizing the screening method of trains after downgrading, and improving train operation efficiency.

[0063] In some embodiments, there is a train in the first axle counting section on the entire line, and the train is a non-CBTC train. Based on the train position and axle counting status information, it is determined whether the sorting information is credible, including: when the previous axle counting section and the next axle counting section of the first axle counting section are both in idle state, determining that the sorting information is credible.

[0064] In this embodiment, the first axle counting section can be composed of one or more axle counting sections in the entire line. For example, when the train is in an axle counting section, the first axle counting section is the axle counting section. When the train is between two adjacent axle counting sections, the first axle counting section is composed of these two adjacent axle counting sections.

[0065] In this embodiment, there is only one non-CBTC train in the first axle counting section, and the first axle counting section is in a train occupied state. Then the maximum safe operating range of the non-CBTC train is the range corresponding to the entire first axle counting section. When the previous axle counting section and the next axle counting section of the first axle counting section are both idle, it can be said that the train sequencing of the non-CBTC train is credible.

[0066] In this embodiment, when the previous axle counting section or the next axle counting section of the first axle counting section is occupied, the train sequence of the non-CBTC train is not credible.

[0067] The train screening method of the embodiment of the present invention determines the reliability of train sorting when there is only one train in the first axle counting section by obtaining the maximum safe operating range of non-CBTC trains and judging whether the two adjacent axle counting sections before and after the maximum safe operating range are idle. The judgment method is simple and the judgment result is reliable.

[0068] In some embodiments, there are two trains in a front-to-back sequence in the first axle counting section on the entire line, namely the front train and the rear train, and the rear train is a non-CBTC train. Based on the train position and axle counting status information, whether the sequencing information is credible is determined, and it also includes: the previous axle counting section occupied by the rear train is in an idle state. After the TMC receives the position report of the rear train, there is only the rear train in the first axle counting section, and the next axle counting section of the rear train is in an idle state. The axle counting section corresponding to the rear position of the rear train is in an idle state, and the sequencing information is determined to be credible.

[0069] In this embodiment, TMC has the function of train sequencing for the entire line. There are two trains in the first axle counting section, among which the rear train is a non-CBTC train and the previous axle counting section of the rear train is idle. When TMC receives the latest position report of the rear train before degradation, if the front train has left the first axle counting section (the maximum safety envelopes of the two trains do not overlap) and the next axle counting section of the axle counting section occupied by the rear train is idle, the train sequencing check of the non-CBTC train passes.

[0070] Figure 4 This is one of the interface diagrams of the method for verifying the reliability of train sequencing information provided by the present invention. Figure 4 In the embodiment shown, TMC determines that two trains (T1 and T2) are located in the axle counting section W3 based on the train position report. The maximum safety of the two trains being downgraded to non-traveling trains includes the range corresponding to the entire W3. When the front train T1 leaves W3, at this time, the next axle counting section W4 of the axle counting section W3 occupied by the rear train T2 is idle, and the axle counting sections W1 and W2 are both idle, then the train sequencing check of the rear train T2 passes, which indicates that the train sequencing information of the rear train T2 is credible.

[0071] The train screening method of the embodiment of the present invention determines the reliability of train sorting when there are two trains in the first axle counting section by obtaining the maximum safe operating range of the non-CBTC train, the position relationship between the non-CBTC train and the preceding train, and determining whether the two adjacent axle counting sections before and after the maximum safe operating range are idle. The determination method is simple and the determination result is reliable.

[0072] In some embodiments, there are two non-CBTC trains in a front-to-rear sequence in the first axle counting section on the entire line, namely the front train and the rear train. Based on the train position and axle counting status information, whether the sequencing information is credible is determined, and it also includes: the previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state, and after the TMC receives the position report of the front train, the next axle counting section of the first axle counting section is in an idle state, and the sequencing information is determined to be credible; or, the previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state, and the TMC only receives the position report of the rear train, and the maximum safe operating range corresponding to the rear train overlaps with the maximum safe operating range corresponding to the front train, after the TMC receives the position report of the rear train, the sequencing of the two non-CBTC trains before and after the degradation is consistent, and the sequencing information is determined to be credible.

[0073] Figure 5 This is a schematic diagram of the interface of the method for verifying the reliability of train sequencing information provided by the present invention. Figure 5 In the embodiment shown, TMC determines that two trains (T1 and T2) are located in the axle counting section W3 based on the train position report. The maximum safety of the two trains being downgraded to non-traveling trains includes the range corresponding to the entire W3. When the rear train T2 leaves W3, at this time, the next axle counting section W4 of the axle counting section W3 occupied by the front train T1 is in an idle state, indicating that the train sequencing information of the front train T1 is credible.

[0074] Figure 6 This is the third interface diagram of the method for verifying the reliability of train sequencing information provided by the present invention. Figure 6 In the embodiment shown, TMC determines that two trains (T1 and T2) are located in the axle counting section W3 based on the train position report. The maximum safety inclusion of the two trains being downgraded to non-traveling trains is the range corresponding to the entire W3. The maximum safety inclusion (corresponding to the entire range of W3) of the front train T1 and the rear train T2 overlaps, and after TMC receives the position report of the rear train, the sorting of T1 and T2 does not change, indicating that the train sorting information corresponding to T1 and T2 is credible.

[0075] The train screening method of the embodiment of the present invention determines the reliability of the train sorting when two non-CBTC trains exist in the first axle counting section by obtaining the maximum safe operating range of the non-CBTC train, the sorting relationship between the two trains before and after downgrading, and judging whether the two adjacent axle counting sections before and after the maximum safe operating range are idle. The judgment method is simple and the judgment result is reliable.

[0076] In some embodiments, determining whether the train position is credible based on the maximum safe operating range of the non-CBTC train includes: determining that the train position is credible when the train position is within the maximum safe operating range.

[0077] In this embodiment, TMC has the non-CBTC train management function, that is, it can obtain the latest position report and axle counting section occupancy status of the train before downgrading to calculate the maximum safety envelope (maximum safe operating range) of the downgraded train (non-CBTC train), and compare and analyze the maximum safe operating range with the obtained non-CBTC train position information to determine whether the position information of the non-CBTC train is credible.

[0078] Figure 7 This is a schematic diagram of the interface of the method for verifying the reliability of train position information provided by the present invention. Figure 7 In the embodiment shown, TMC determines that the maximum safe operating range (maximum safety envelope) corresponding to the train is the entire axle counting section W4 based on the position report before the train downgrade, and when the non-CBTC train T1 is located in W4, it means that the train position information of T1 is credible; and when the maximum safe operating range of T1 is the axle counting section W3, and T1 is located in W4, it means that the train position information of T1 is unreliable.

[0079] The train screening method of the embodiment of the present invention realizes the credibility judgment of non-CBTC train position information by comparing the relationship between the non-CBTC train position information and the maximum safe operating range. The judgment conditions are simple and easy to implement.

[0080] In some embodiments, based on the number information of trains on the entire line stored in the TMC, determining whether the actual number of trains on the line is credible includes: determining that the number of trains is credible when the actual number of trains on the line is not greater than the number of trains on the entire line stored in the TMC.

[0081] In this embodiment, after the TMC receives the position report of the non-CBTC train before downgrading, it can obtain the number of trains on the train operation line based on the position report and compare it with the actual number of trains put into operation on the entire line. When the number of trains obtained based on the position report is less than or equal to the actual number of trains put into use, the train number verification passes, which means that the train number is credible.

[0082] In this embodiment, if the number of trains obtained based on the position report is greater than the number of trains actually put into use, the train number verification fails, which means that the train number is not credible.

[0083] The train screening method of the embodiment of the present invention compares and analyzes the number of trains obtained by the position report of the train before the downgrade received by the TMC with the actual number of trains put into operation on the entire line, which can realize the credibility judgment of the number of non-CBTC trains in a simple way.

[0084] In some embodiments, after obtaining the non-CBTC train screening result, the method further includes: sending the non-CBTC train screening result to a regional control center ZC, and the ZC is used to calculate the movement authorization of the non-CBTC train according to the non-CBTC train screening result.

[0085] In this embodiment, after the screening of non-CBTC trains is completed, a reliable non-CBTC train screening result can be obtained. After sending the result to ZC, ZCZC can calculate the movement authorization for the train based on the line equipment status sent by CI (axle counting section occupied / idle status, route locking status, switch positioning / reversal status, signal display status, etc.) and the latest position report sent by the train before downgrading (the non-CBTC train screening result has been obtained) to ensure the safe operation of the train.

[0086] In this embodiment, ZC directly accepts the calculation results of TMC. If ZC receives a prompt message from TMC that the tail screen of the train is valid, ZC sets the tail screen of this train to be valid. If ZC receives a prompt message from TMC that the head screen of the train is valid, ZC sets the head screen of this train to be valid. At the same time, ZC can also determine whether other conditions for sending mobile authorization are met, and then send mobile authorization to the train. After the train receives the mobile authorization, it is upgraded to a CBTC train. It should be noted that both the head screen and the tail screen are screening processes for CBTC trains.

[0087] The train screening method of an embodiment of the present invention sends the non-CBTC train screening results to the ZC, uses the ZC to calculate the movement authorization for the non-CBTC train, and accelerates the rapid upgrade of the non-CBTC train to the CBTC mode to ensure the safety of the train operation in the CBTC mode.

[0088] The train screening device provided by the present invention is described below. The train screening device described below and the train screening method described above can be referenced to each other.

[0089] Figure 8 This is the second structural diagram of the train screening device provided by the present invention, as shown in FIG. Figure 8 As shown, the train screening device includes: an acquisition module 810, a first processing module 820 and a second processing module 830.

[0090] Acquisition module 810, used to obtain train information of non-CBTC trains and axle counting status information of axle counting sections of the entire line. Train information includes the number of actual trains on the line, train positions, and train sequencing information recorded by TMC;

[0091] The first processing module 820 is configured to determine whether the train position is credible based on the maximum safe operating range of non-CBTC trains; determine whether the actual number of trains on the line is credible based on the total number of trains stored in the TMC; and determine whether the sequencing information is credible based on the train position and axle counting status information. The maximum safe operating range is determined based on the axle counting occupancy information of non-CBTC trains in the axle counting section. The total trains on the line include both CBTC trains and non-CBTC trains on the train operation line.

[0092] The second processing module 830 is configured to obtain a non-CBTC train screening result when the train position, the number of actual trains on the line, and the train sequencing information are reliable.

[0093] The train screening device of the embodiment of the present invention obtains the train information of non-CBTC trains and the axle counting status information of the axle counting sections of the entire line through TMC, and verifies the credibility of the train position information, train quantity information and train sequencing information respectively. When the train position information is reliable, the train quantity information is reliable and the train sequencing information is reliable, the screening results of non-CBTC trains are obtained, thereby realizing rapid screening of trains on the entire line, optimizing the screening method of trains after downgrading, and improving train operation efficiency.

[0094] Figure 9 An example of a physical structure diagram of an electronic device is shown below. Figure 9As shown, the electronic device may include: a processor (processor) 910, a communication interface (Communications Interface) 920, a memory (memory) 930 and a communication bus 940, wherein the processor 910, the communication interface 920, and the memory 930 communicate with each other through the communication bus 940. The processor 910 can call the logic instructions in the memory 930 to execute the train screening method, which includes: obtaining train information of non-CBTC trains and axle counting status information of the axle counting section of the entire line, the train information including the actual number of online trains, train positions and train sequencing information recorded by the TMC; determining whether the train position is credible based on the maximum safe operating range of the non-CBTC train; determining whether the actual number of online trains is credible based on the number information of the entire line trains stored in the TMC; determining whether the sequencing information is credible based on the train position and axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the trains on the entire line include CBTC trains and non-CBTC trains on the train operation line; and obtaining the non-CBTC train screening result when the train position is credible, the actual number of online trains is credible and the train sequencing information is credible.

[0095] In addition, the logic instructions in the above-mentioned memory 930 can be implemented in the form of a software functional unit and can be stored in a computer-readable storage medium when sold or used as an independent product. Based on this understanding, the technical solution of the present invention, or the part that contributes to the prior art, or the part of the technical solution, can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes several instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention. The aforementioned storage medium includes: various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk.

[0096] On the other hand, the present invention also provides a computer program product, which includes a computer program, which can be stored on a non-transitory computer-readable storage medium. When the computer program is executed by a processor, the computer can execute the train screening method provided by the above methods, which includes: obtaining train information of non-CBTC trains and axle counting status information of the axle counting section of the entire line, the train information including the actual number of online trains, train positions and train sequencing information recorded by TMC; determining whether the train position is credible based on the maximum safe operating range of the non-CBTC train; determining whether the actual number of online trains is credible based on the number information of the entire line trains stored in TMC; determining whether the sequencing information is credible based on the train position and axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the trains on the entire line include CBTC trains and non-CBTC trains on the train operation line; obtaining the non-CBTC train screening result when the train position is credible, the actual number of online trains is credible and the train sequencing information is credible.

[0097] On the other hand, the present invention also provides a non-transitory computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, is implemented to execute the train screening method provided by the above-mentioned methods, the method comprising: obtaining train information of non-CBTC trains and axle counting status information of axle counting sections of the entire line, the train information including the actual number of trains on the line, train positions and train sequencing information recorded by the TMC; determining whether the train position is credible based on the maximum safe operating range of the non-CBTC train; determining whether the actual number of trains on the line is credible based on the number information of trains on the entire line stored in the TMC; determining whether the sequencing information is credible based on the train position and axle counting status information; the maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the trains on the entire line include CBTC trains and non-CBTC trains on the train operation line; obtaining the non-CBTC train screening result when the train position is credible, the actual number of trains on the line is credible and the train sequencing information is credible.

[0098] The device embodiments described above are merely illustrative. The units described as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, i.e., they may be located in one location or distributed across multiple network units. Some or all of the modules may be selected based on actual needs to achieve the objectives of the present embodiment. Persons of ordinary skill in the art will be able to understand and implement the present invention without inventive effort.

[0099] Through the description of the above embodiments, those skilled in the art can clearly understand that each embodiment can be implemented by means of software plus a necessary general hardware platform, or of course, by hardware. Based on this understanding, the essence of the above technical solution or the part that contributes to the existing technology can be embodied in the form of a software product. The computer software product can be stored in a computer-readable storage medium, such as ROM / RAM, a magnetic disk, an optical disk, etc., and includes a number of instructions for enabling a computer device (which can be a personal computer, a server, or a network device, etc.) to execute the methods described in each embodiment or certain parts of the embodiments.

[0100] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A train screening method, applied to a train management center TMC, characterized in that: include: Obtain train information for non-CBTC trains and axle counting status information for all axle counting sections along the entire line. The train information includes the number of actual trains on the line, train locations, and train sequencing information recorded by the TMC. Determining whether the train position information is credible based on the maximum safe operating range of the non-CBTC train; Determine whether the actual number of trains on the line is credible based on the number of trains on the entire line stored in the TMC; determining whether the sequencing information is credible based on the train position and the axle counting status information; The maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the entire line trains include CBTC trains and non-CBTC trains on the train operation line; Under the condition that the train position is credible, the number of actual trains on the line is credible, and the train sequencing information is credible, a non-CBTC train screening result is obtained; In a first axle counting section of the full-line axle counting section, there are two trains in a front-to-back sequence, namely a front train and a rear train, and the rear train is a non-CBTC train. The determining whether the sequence information is credible based on the train positions and the axle counting status information further includes: The previous axle counting section of the axle counting section occupied by the rear train is in an idle state. After the TMC receives the position report of the rear train, only the rear train exists in the first axle counting section, and the next axle counting section of the rear train is in an idle state. The axle counting section corresponding to the rear position of the rear train is in an idle state, and it is determined that the sorting information is credible.

2. The train screening method according to claim 1, characterized in that: There is a train in a first axle counting section of the entire line axle counting section, and the train is a non-CBTC train. The determining, based on the train sequencing information and the axle counting status information, whether the sequencing information is credible includes: When both the previous axle counting section and the next axle counting section of the first axle counting section are in an idle state, it is determined that the sorting information is credible.

3. The train screening method according to claim 1, characterized in that: There are two non-CBTC trains in a front-to-rear sequence in a first axle counting section of the entire line, namely a front train and a rear train. Determining whether the sequence information is credible based on the train position information and the axle counting status information further includes: The previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state, and after the TMC receives the position report of the preceding train, the next axle counting section of the first axle counting section is in an idle state, and it is determined that the sequencing information is credible; or The previous axle counting section and the next axle counting section of the first axle counting section are both in an idle state. When the TMC only receives the position report of the rear train, and the maximum safe operating range corresponding to the rear train overlaps with the maximum safe operating range corresponding to the front train, after the TMC receives the position report of the rear train, the order of the two non-CBTC trains before and after demotion remains consistent, and it is determined that the order information is credible.

4. The train screening method according to claim 1, characterized in that: The determining whether the train position is credible based on the maximum safe operating range of the non-CBTC train includes: When the train position is within the maximum safe operating range, it is determined that the train position is credible.

5. The train screening method according to claim 1, characterized in that: The determining whether the actual number of trains on the line is credible based on the number information of trains on the entire line stored in the TMC includes: When the actual number of trains on the line is not greater than the number of trains on the entire line stored in the TMC, it is determined that the actual number of trains on the line is credible.

6. The train screening method according to any one of claims 1 to 5, characterized in that: After obtaining the non-CBTC train screening result, the method further includes: The non-CBTC train screening result is sent to a regional control center ZC, and the ZC is used to calculate the movement authorization of the non-CBTC train according to the non-CBTC train screening result.

7. A train screening device, using the train screening method according to claim 1, characterized in that: include: An acquisition module is used to obtain train information of non-CBTC trains and axle counting status information of all axle counting sections along the entire line. The train information includes the number of actual trains on the line, train positions, and train sequencing information recorded by the TMC; A first processing module is configured to determine whether the train position is credible based on a maximum safe operating range of a non-CBTC train; Based on the number of trains on the entire line stored in the TMC, determine whether the actual number of trains on the line is credible; determining whether the sequencing information is credible based on the train position information and the axle counting status information; The maximum safe operating range is determined based on the axle counting occupancy information of the non-CBTC train in the axle counting section, and the entire line trains include CBTC trains and non-CBTC trains on the train operation line; The second processing module is used to obtain a non-CBTC train screening result when the train position is credible, the number of actual trains on the line is credible, and the train sequencing information is credible.

8. An electronic device comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein: When the processor executes the program, the train screening method according to any one of claims 1 to 6 is implemented.

9. A non-transitory computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the train screening method according to any one of claims 1 to 6 is implemented.

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